During Cycle 1, you will have a study visit just before receiving lenalidomide and then once a month for the first 3 months, then every 3 months after that. At these visits, you will have a physical exam. Blood (about 2 tablespoons) will be drawn for routine tests. Your drug diary will be checked and you will return the bottle of the study drug and any unused drug. You will receive one cycle supply of lenalidomide.